Skip Count or Addition
Skip count by 10's to solve 10 x 6.
10,20,30,40,50,60
29 rounded to the nearest 10
30
Draw an array for the problem:
4 x 3
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@@@
@@@ = 12
432 + 263
432 + 263 =695
389-234
389-234=155
Add the number 2, 5 times to solve 2x5
2+2+2+2+2=10
621 rounded to the nearest 100
600
Draw equal groups for 6 x 7 and solve it!
Check student answers
184+117=
184 + 117=301
456-175=
281
Skip count by 4's, 3 times to solve 4x3
4,8,12
214 rounded to the nearest 10
210
Draw equal groups for the problem:
4 x 4 =
16
220+350=
570
820-612=
208
Add the number 4, 6 times to solve 4x6
4+4+4+4+4+4=24
749 rounded to the nearest 100
700
45
167+250=
417
399-129=
270
Skip count by 3's 7 times to solve 3x7
3,6,9,12,15,18,21
472 rounded to the nearest 10
470
Use repeated addition to solve 6 x 3
3 + 3 + 3 + 3 + 3 +3 = 18
396 + 478
874
279-59=
220